Friedrich Ris (1867-1931) was a Swiss physician and entomologist
Pages in category "Taxa named by Friedrich Ris"
The following 16 pages are in this category, out of 16 total. This list may not reflect recent changes.
Friedrich Ris (1867-1931) was a Swiss physician and entomologist
The following 16 pages are in this category, out of 16 total. This list may not reflect recent changes.